Flying MachinesCreative Technology Laboratory
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Flying Machines
The ProblemAlmost everyone dreams of visiting exotic places. But traveling can waste a lot of time.
The Mission
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Our mission is to build flying machines that get us from A to B fast.
Flying Machines
Rocket Men
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Japanese Rocket Manhttp://www.youtube.com/watch?v=4XObKek9Tuc
Swiss Rocket Manhttp://www.youtube.com/watch?v=h4arnATc04U
Gossomer Condorhttp://www.youtube.com/watch?v=sp7yv67B5Sc
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Deadelus Fusion Man
Paper Airplanes
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Flying Machines
Paper Airplane World Championshipshttp://www.youtube.com/watch?v=1aoQTAw6SBA&feature=related
Paper Airplane World Record Flight 26.7 secondshttp://www.paperplane.org/record_film.html
Basic Build-It-Yourself Gliderhttp://www.build-it-yourself.com/biy-projects/proj-fly-machines/resources/fly-x101.ppt
More Paper Airplane Instructionswww.funpaperairplanes.com
Straw Powered Rockets
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See if you can make your rocket hit a target or reach the ceiling.
Flying Machines
Instructions for straw powered flying machines.
Air Powered Rockets
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These rockets can go 50 feet in the air.Click to watch it in action
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Instructions for soda bottle powered rockets.
Gliders
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Explore the physics of flight including:1) Center of gravity.2) Wing shape for lift.3) Steering ailerons.4) Wing position and stability.
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Click to watch it in action
Instructions for soda bottle powered gliders.
Space Ships and Other Flying Contraptions
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Build a revolutionary, incredible flying machine from your collection of premium quality junk.
Flying Machines
Space Ships and Other Flying Contraptions
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Design the space ship of your dreams and program it in Scratch to explore the Universe.
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Super powers you will acquire
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1. PowerPoint Guru2. Problem Solver 3. Creative, Modular Builder4. Master of Presentations5. Aeronautical Physicist
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To the moon and beyond …
Physics of Flight - Lift
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Flying Machines
Lift > Gravity
Physics of Flight - Lift
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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:
where:• L is the lift (in pounds),• ρ is the air density,
Flying Machines
ρL = ½ S V2 C L > Weight of plane
Physics of Flight - Lift
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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:
where:• L is the lift (in pounds),• ρ is the air density,• S is the area of the wing,
Flying Machines
L = ρ SL = ½ ρ V2 C L > Weight of plane
Physics of Flight - Lift
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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:
where:• L is the lift (in pounds),• ρ is the air density,• S is the planform area of the wing, and• V is the airspeed of the airplane.
According to this formula, which airplane factor is the most important?
Flying Machines
V2L = ½ ρ S C L > Weight of plane
Physics of Flight - Lift
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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:
where:• L is the lift (in pounds),• ρ is the air density,• S is the planform area of the wing, and• V is the true airspeed of the airplane.• is the lift coefficient which factors complex shape design.
Flying Machines
L = ½ ρ S V2 CL
C L
> Weight of plane
Slow Moving Air - More PressureLift
Fast Moving Air - Less Pressure Gravity
Physics of Flight - Lift
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Videos of how speed and air flow can create lift > gravity
http://www.youtube.com/watch?v=c9FsYDEIZWk
http://www.youtube.com/watch?v=TP_yTyfdmBQ&feature=endscreen&NR=1
http://www.youtube.com/watch?v=dmAnzrVO44s&NR=1&feature=endscreen
Physics of Flight – Center of Gravity
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The center of gravity will determine if your plane will dive, stall, or glide straight. Position a paper clip along your fuselage to experiment.
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Paper clip too far forward
Paper clip too farto the rear
Paper clip just right
Physics of Flight - Control
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Wing angle down will make your plane roll
and fly upside down.
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Front views
Wing angle up will make your plane
fly stable.
Physics of Flight - Control
Physics of Flight - Control
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Ailerons (wing flaps) will make a plane turn and create lift or drag.
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Physics of Flight - Control
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Tail fins (or vertical stabilizers) help control yaw.
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Physics of Flight – Wright Brothers
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Calculate how fast the 1903 Wright Brothers plane had to go to get off the ground.
http://wright.nasa.gov/airplane/lifteq.html
- PSI at sea level is 14.7- Wing area = 40 x 6 x 2 sq. ft.- Weight = 750lbs- Angle of attack = 5 degrees- Speed of sound = 760mph- Speed of passenger get = 560mph- Speed of Wright Bros. Plane = ??????
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Physics of Flight – Wright Brothers
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Wright Brothers Design Calculations
Lift > Plane WeightLift = Lift coefficient x wing area x velocity*2http://wright.nasa.gov/airplane/lifteq.html
Wright Brothers PlaneLift coefficient (function of air density, wing angle, form factors) 0.002Weight of plane + passengers (lbs) 880Area of wing (sq. ft.) 40 x 6 x 2 480Takeoff speed (mph) 30
737 Passenger JetLift coefficient (function of air density, wing angle, form factors) 0.002Weight of plane (lbs) 62,500 Weight of passengers (lbs) 37,500 Weight of plane + passengers (lbs) 100,000 Area of wing (sq.ft.) 1344Takeoff speed (mph) 193
Speed of sound (mph) 800Speed of passenger jet (mph) 550
Plane Decorations
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Make your own decals in PowerPoint
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ail eathers
oom oom
ail eathers
Make your own decals in PowerPoint
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Flying Machines
Make your own decals in PowerPoint
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Make your own decals in PowerPoint
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Decorated Paper Airplane
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Agenda
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1) Study project guidelines.2) Set up PowerPoint lab book.3) Document problem and mission.4) Problem solving tricks5) Presenting ideas6) Physics of flight7) Build (paper planes, gliders, rockets)8) Decorate9) Present projects.10)Contests for:
- flight time- accuracy- creativity and good looks
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Extra Projects
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1. Build a rubber band driven airplane 2. Build a mobile that turns with several
flying contraptions balanced.
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Lab Book Research1. How much extra time would we have (to
play computer games) if we could get to and from school every day in 1 minute instead of 30 minutes?
2. Write a brief history of flight including pictures.
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Lab Book ResearchTime saved if we could rocket to school.Travel by school bus# days in school year 180Minutes to get to school by bus 15School travel minutes per year 5400School travel hours per year 90
Travel by flying machine# days in school year 180Minutes to get to school by rocket 1School travel minutes per year 360School travel hours per year 6
Hours saved per year 84
Class discussion / time out research / extra projects
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1. Draw a time line of man made flight.2. Research flying machines by Leonardo3. Why do planes fly and boats don’t?4. What are examples of how technology has improved live?5. What are examples of how technology has made life worse?6. What do you think are the most amazing man made
inventions?7. Why is teamwork important?8. What do you think are the biggest problems in the world?9. How could technology help solve these problems?
Flying Machines